20592840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2502

約数の個数: 64

約数和(自身を含む): 62674560

約数和(自身を除く): 42081720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2417, 2840, 4260, 4834, 7251, 8520, 9668, 12085, 14502, 19336, 24170, 29004, 36255, 48340, 58008, 72510, 96680, 145020, 171607, 290040, 343214, 514821, 686428, 858035, 1029642, 1372856, 1716070, 2059284, 2574105, 3432140, 4118568, 5148210, 6864280, 10296420, 20592840]

約数ペア:

[(1, 20592840), (2, 10296420), (3, 6864280), (4, 5148210), (5, 4118568), (6, 3432140), (8, 2574105), (10, 2059284), (12, 1716070), (15, 1372856), (20, 1029642), (24, 858035), (30, 686428), (40, 514821), (60, 343214), (71, 290040), (120, 171607), (142, 145020), (213, 96680), (284, 72510), (355, 58008), (426, 48340), (568, 36255), (710, 29004), (852, 24170), (1065, 19336), (1420, 14502), (1704, 12085), (2130, 9668), (2417, 8520), (2840, 7251), (4260, 4834)]